ASA5505 - Tunnel A Specific Traffic Via VPN
May 20, 2012
I have a number of sites in China, they have decent inter-country connectivity but poor connectivity when going overseas.
We have a single site in China witha dedicated 1:1 leased line that has good conectivity both inside and outside of China.
All the sites in China have ASA5505 firewalls
One of our Citrix farms is hosted in the UK and although the main site with the leased line is fine accessing the farm the other sites are not. I would like to try and tunnel just the citrix connectivity via a VPN to the China head office then use their connection to get out to the farm.
how to tunnel all traffic but not just specific traffic over the VPN.
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Nov 27, 2011
I have set up an ipsec tunnel between a Cisco ASA 5505 and a Fortigate 80c. The tunnel is set up as I execute pings from inside behind ASA to inside behind FG, however I cannot get connectivity to hosts behind the Fortigate (traffic is allowed through policies configured on the FG). What I noticed in packet tracer is that traffic is dropped at the step 'Vpn lookup' To troubleshoot I have configured a test ('fake') vpn connection through the vpn wizard and get the same result in packet tracer. I run 8.4 software on the ASA and this is part of the relevant config.
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Feb 6, 2012
On remote site I have Cisco ASA5505, on cental site I have Cisco 2811 router, working site-to-site VPN tunnel. [code]
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May 24, 2011
ASA 5520 running 8.0.4
ASDM v.6.1
Need assistance understanding how in ASDM/Configuration/Site-to-Site VPN/Connection Profiles/ "Any Entry" I can specify that I only want to offer an IKE Proposal of pre-share-aes-256-sha?
The IKE Proposal field has a number of possible options including: pre-share-aes-256-md5, pre-share-3des-md5, pre-share-aes-256-sha, pre-share-aes-192-sha, pre-share-3des-md5, pre-share-aes-sha and pre-share-3des-sha.
I am able to pick a specific IPSec Proposal w/o issue but when I attempt to do the same for the IKE Proposal, and click OK the choice does not "stick" but rather returns to the entire list as defined above.
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Jan 9, 2011
i have a 7201 router with NPE-G2. i have a design which i have the option to send all the traffic through a GRE tunnel or a L2TPV3 tunnel.which method is more CPU consumption ?
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Jul 24, 2012
Environment :linksys wrt300n v1.1 which can have ddwrt-mega. Willing to tunnel all lan's outbound traffic through an ssh tunnel.
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Mar 18, 2012
I wish to set up a ASA5505 with QoS, and to allow specific port numbers to have priority going through compared to rest of the traffic. Eg ports 21, 80, 443. So for example if im maxing out a torrent, it doesnt impact web traffic etc.The current link its connected to is 100mbit/2.5mbit connection..
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Oct 4, 2011
when it comes to IOS based SSL VPN setup, so have run into an issue which I can't seem to find an answer for.
What i'm after is a way to restrict access to an AnyConnect authenticated and connected client, on a specific profile, to a list of specific websites (all on the Intranet). Everything else must be blocked.
On the IOS device, I had it fudged to pretty much retstrict access to a certain IP and port, and used a mod rewrite in Apache to re-write a URL from that IP to the host the site actually resided on. It's cludged together and working, but it's not ideal (and it's not going to allow for scaling up to what I need).
I can find plenty of references here and on the net to using regex to create block lists based on a global policy to disallow specific URLS, but I need the inverse of that, and, only applied to a specific policy group.
Is this possible on an ASA5505? Is it possible on *any* ASA?
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Aug 2, 2011
I am trying to configure an IPSEC tunnel on a 1921 router. What I hope to accomplish is that using a IP SLA that the IPSEC tunnel will only be brought up IF the normal WAN connection is not responding. My thoughts were to route the traffic that needed to come back to corporate through a loopback interface but I havent found a way to do that.
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May 13, 2011
I would like to ask some question about VPN clinet and SSL VPN, on my ASA 5510 i have many tunnel-group it have around 5 tunnel-group and i have one SSL VPN,i also have user 20 user. let me show you that:
1- tunnel-group Staff-VPN remote-access
2- tunnel-group Manager-VPN remote-access
3- tunnel-group normalstaff-VPN remote-access
4- tunnel-group guest-VPN remote-access
5- tunnel-group other-VPN remote-access
and tunnel-group sslgroup type remote-access
and i have user around 20 user and i want to specific user to tunnel-groups like this
1- tunnel-group Staff-VPN remote-access
username AAA password AAA
username AAA01 password AA01
2- tunnel-group Manager-VPN remote-access
username BBB password BBB
username BBB01 password BBB01
3- tunnel-group normalstaff-VPN remote-access
username CCC password CCC
username CCC01 password CCC01
5- tunnel-group other-VPN remote-access
username DDD password DDD
username DDD01 password DDD01
So, How can i manag tunel-groups with user?
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Dec 5, 2011
i have a Ipsec tunnel between a ASA 5510 (Uk) & a router (France) that seems to be going down a specific times during the day. I have attached the sys log as well.
I cannot seem to copy & paste the config onto here for some reason so i have attched the configs, Ipsec details & syslog details from the asa.
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Sep 23, 2012
We need Solution for disabling Anti-Replay on the Firewall for a specific tunnel. ASA 8.4(2) ) does not support disabling Anti-Replay on specific Ipsec tunnel , is it true , then if we want to disable Anti-replay , what we have to do in ASA5540 .
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Nov 10, 2011
I have two ASA 5505 on two different locations(main office and remote office) and I need the remote office to be in the same subnet as the main office since they move computers betweend the offices and they have fixed IP addresses on those computers and they have no right to cahnge to dhcp mode when they move to remore office. Is it possible to create like a bridge over the VPN tunnel so it extens the LAN ?
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May 9, 2013
We have a HUB ASA5505 SEC+ with a few other ASA's connected to it via L2L VPN. We have 1 active Static L2L, 1 Active Dynamic L2L, and I'm currently trying to add a Second Static L2L Tunnel.I verified that each WAN Interface can ping each other, and both devices have full internet connectivity. There is no double nat or content filtering going on either. I did notice that my Cisco Remote Access VPN Client won't connect properly through the ASA despite full internet connectivity, but when I connect directly to the modem I was able to connect properly. So apparently the ISP isn't blocking IPSEC traffic AFAIK.
Static2 is currently using a Temporary TAC License since our license is currently awaiting arrival, but a show version output shows that all VPN/3des features are enabled. [code]
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Jun 10, 2013
(Setup routing and iptables for new VPN connection to redirect **only** ports 80 and 443) Only my goal is a bit different. I am running a headless gui-less install of Ubuntu Server 12.04 that is being used for a variety of different purposes... I would like all traffic to travel un-prohibited through my ISP except for my transmission traffic. I have a VPN i subscribe to that allows me access for which I only want to direct a single port's traffic to. I am currently using a modified version of the code from the above link. My current code is below:
#!/bin/sh
sleep 200
DEV1=eth0
[Code].....
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Jul 7, 2011
I have two ethernet adaptors on my windows machine. OS is Win-XP.I am running ADSL broadband on LAN1 and on LAN2 I am accessing applications on our company's WAN. LAN1 is on 192.168.1.0/24 subnet and LAN2 is on 10.68.104.0/22 subnet.Accessing application through LAN2 involves DNS that is located distantly, therefore routers are also in picture.Problem is that while accessing the application that run on the network of LAN2, I have to disable LAN1. Otherwise the traffic goes on LAN1.
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Oct 14, 2011
My question is pretty straight forward but here is some background information. I would like my browsing traffic to funnel through my phone's 3G or WiFi connection. Is there any information out there on how to direct the browser to use the second internet connection? I was thinking about setting up a VPN using the second nic and somehow instruct the browser to use the specific proxy. I have no idea if that is even possible though.
The need for this is pretty simple. I do not want my browsing habits being logged by my company's network. Also while maintaining the current corporate connection so Outlook and RDP programs continue to function correctly.
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Feb 14, 2011
Got a problem routing trafic to my L2L tunnel...
Got an ASA5505 Sec+ with ip 10.45.10.1 on inside interface. Firmware 8.3(1). Got another Cisco router (From my ISP) with ip 10.45.10.254 - This one creates an L2L tunnel - To the 10.45.20.0/24 net.
On the 5505 ive got "route inside 10.45.20.0 255.255.255.0 10.45.10.254 1", and trafic is being directed to 10.45.10.254 as it should.
I know cause I can ping everything one the 10.45.20.0/24 net - But thats it... Cant RDP, connect to fileshare... Nothing.
When i test a PC and set it to gateway 10.45.10.254 I can access everything on the remote network. Do I need some NAT command or an access-list? I've setup AnyConnect VPN on the ASA and I can connect to both networks without any problems.
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Aug 9, 2012
I'm having trouble configuring an ASA5505 on version 8.31 code for an IPSec tunnel. I've done this multiple times on 8.2.5 but can't seem to get my tunnel to even attempt to come up on this ASA. Not sure if it's relevent or not, but this remote ASA has never been used for another VPN tunnel before. When I attempt to ping a host on the other side of my tunnel, I just see the following: 8108# sho crypto isa sa
There are no isakmp sas
My local network is 10.1.1.X/24 and my remote peer network contains 66.37.227.X/24. I've been working on this for the better part of the day and would love to get it resolved.
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Oct 5, 2011
How to configure the 825 to block inbound traffic from a specific internet IP address ?i noticed an IP and MAC that i don't recognize that is listed as a connection to my NAS's media server ...i blocked it in the NAS configuration page, but i don't want any unsolicited traffic into my network.
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Feb 20, 2008
Just bought myself an ASA5505 to replace a PIX 501, and having transferred over most of the previous config I've managed to get the two IPSEC VPN tunnels working as before.
Unfortunately when I try and SSH to the ASA the connection just resets instantly even when the tunnel is up. It seems as if the ASA is actively refusing the connection, though the log doesn't state this. I had always presumed that traffic over an established IPSEC tunnel was implicitly trusted and not subject to usual access-list rules.
I am unable to SSH to the ASA from the 10.0.0.x range, but I can SSH to a machine on 10.27.0.4 (so I know the tunnel is up and working)
Config (minus irrelevant sensitive information) is attached for reference.
Also - though I'm not sure how relevant it is given the tunnels appear to work - when I enter the line "crypto map meepnet-map interface outside" in config mode the ASA reports "WARNING: The crypto map entry is incomplete!" even though I have supplied the access-list, peer and transform-set variables.
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Jan 21, 2013
I just joined this company and they already ad a VPN to one of their partners that provides them access to some resources. We have now added a 2nd location but the partner wouldnt allow a 2nd VPN tunnel so the decision was made to give the new location a ASA5505 to tunnel thru the main office to access the resources at the partners site.Using ASDM i believe i was able to setup the tunnel to the main office but there is no resource there to use. Now i'm stuck and i do not know what to do to get to the partner site
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Jun 13, 2011
Currently, I have in a number of remote sites (with dynamic public address) a C800.On this Cisco, I have a config for initiating an agressive-mode tunnel to a central ASA.relevant part of the config:
---
crypto isakmp policy 10
encr aes
authentication pre-share
group 2
!
crypto isakmp peer address 1.2.3.4
[code].....
Now I need to replace these C800 by ASA5505. But I don't know how to replace the "crypto isakmp peer address" command in ASA.The C800 transmits both the password (abcdefg in my example) and the fqdn (remotesite1 in the example). how to configure the ASA to build the tunnel the way the C800 did?
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Mar 16, 2013
I have ASA 5510 8.4 Firewall where more than 20 Site to Site VPN Clients are configured on it. how to see the traffic for one Specific Site to Site VPN.Actually this site to site vpn is always keep dropping for every minute. I'm sure its a problem at the other end.The remaining 19 VPNS are UP and working without any problem. How to see the traffic for specific vlan.More over we dont have any syslog server in our network. Is their any chance we can check the traffic on the firewall?
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Feb 5, 2013
I am trying to find a tool that will monitor the web traffic for one specific user. If it is capable of bundling it into a report that would also be a benefit. I have searched, but not come up with much aside from broad network monitoring tools. All that is really needed is to capture all the activity from http traffic for this one specific user/PC (since she uses the same PC all the time). We have a Sonicwall NSA 2400 as our internet filter, but I was not able to locate anything on there for specific user reporting.
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Mar 6, 2012
How to force traffic back out the same interface from whence it entered. Review the following topology.
Internet ---> ASA 5510 ---> Static IP1 ---> F3.1 ---> 1811 F0
|-------> Static IP2 ---> F3.2 ---> 1811 F5 ---> VLAN Int
ASA F3.1 10.1.254.9/30
ASA F3.2 10.1.254.13/30
1811 F0 10.1.254.10/30
1811 F5 10.254.1.14/30
When pinging the public IP of ASA F3.2 from the internet a reply is never received because the default route on the 1811 points to ASA F3.1.
How do I get the replies from the 1811 to go back out the same interface from whence it entered ? I am sure the answer is policy-based routing, but not sure how to write the config.
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Oct 6, 2011
I have an ASA 5505 with Base license and a vpn client. The scenario is like this: LAN -- ASA 5505 -- ISP DSL Router---( Internet ) -- Home DSL Router --- LAN -- VPN CLient, The ISP DSL Router gets a public IP address and the ASA gets a private IP address (ISP DSL router doing NAT) and I cant reach the internet with no problem from the LAN´s ASA side but I cant make the vpn tunnel connection from the LAN´s Home side so I told the provider to bridge the ISP DSL Router, to the ASA so the ASA could get the public IP but in order to do that the provider told me to do MAC clonning on the ASA 5505 which I did putting the ISP DSL Router MAC on the ASA. Now the ASA gets the public IP on the outside vlan by DHCP but when I try to make the VPN tunnel I just cannt. I can reach the public IP by ping on the ASA and I can see the pings coming in using debug but I just cant make the vpn client work.
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May 28, 2011
inside network----ASA5505========internet===========Remote VPN client.
The ASA has one public IP on its outside interface and using PAT to the internet. It only has two interfaces, inside and outside using vlan. I created a IPSec VPN through CLI. My goal is for the remote client to browse the Internet throught tunnel.
Q1: Is it possible?
Q2: The remote side gets connected and has IP from the pool, with is part of inside network. But it cannot ping anything, including the gateway, which is the inside interface. I debug it, it shows the ASA receives the ping packages, but it doesnt send anything back to the client.
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Nov 15, 2011
How does a firewall block or filter traffic on a specific port or IP address?
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Jul 25, 2011
if the firewall rules in the RVL200 work for inter LAN routing as well as LAN<->WAN? I need 2 separate networks in a house, 1 for business 1 for family, and I want to only allow my IP on network 1 (family net,10.0.0.0/24) access to network 2 (business net 10.0.1.0/24). I want this as if I change rooms were a access point for business is not available I can use the home net and specific IP to access certain business net IPs. I saw you can turn inter vlan routing on or off, but it wasn't clear on firewall rules.know of a similar router in cost but with gige instead of 100Mb ports?
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Oct 10, 2012
Have a quick question regarding inter-vlan routing on a 3750. Overview of network is ISP --> ASA --> 3750 (acting as my core and default gw). I have 5 vlan interfaces on my 3750, all w/ 192.192.x.x subnets, a 6th w/ 192.168.100.x, and a 7th w/ 192.168.200.x. I have enabled "ip routing" on the switch and can successfully ping from subnet A to subnet B as long as both devices are using the correct DG for their vlan, which is the switch. I have a few ports that are trunked as well that go to ESX hosts which break out the vlans according to the subnet the vm should be attached to. The ASA is set to nat internal traffic for all the vlans.
Now my question: short of applying an ACL to each vlan interface to block traffic from other 192.192.x.x subnets is there a better way to accomplish this? I want my 192.168.10.x subnet to be able to reach all the subnets, but don't want 192.192.10.x to be able to talk to 192.192.20.x for example. I was thinking to create an acl like this:
access-list 120 permit ip 192.192.10.0 0.0.0.255 access-list 120 deny ip 192.192.0.0 0.0.255.255 192.192.10.0 0.0.0.255access-list 120 permit ip any 192.168.100.0 0.0.0.255 192.192.10.0 0.0.0.255
and then applying this to the interface for the appropriate vlan.
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Aug 1, 2012
I have an RV042. I understand and have created the services I need. The documentation is just not clear on how to direct traffic for these services to a specific wan port.
Can this even be done with this router? If so, the how? Use rate control or priority? Does checking a wan port mean that it will only go through that port?
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Jun 1, 2011
I'm trying to route all default traffic from my production environment through my ASA 5520 on the "outside2" interface.The 5520 has a site to site VPN to our DR site on the "outside/inside" interfaces via one ISP. On another ISP, interfaces "outside2/inside2" go to the internet.
When I make my 3750 stack default route for the inside2 interface IP I cannot get to the internet. When it is pointed to the inside interface on my 5505, I can.
I get the following errors when I try to open google.com from a production server:Why is the 5520 trying to use the "outside" interface instead of the "outside2" interface to go out?
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